./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-59.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f3bdc5-e1e4-4a89-8d1b-8dc826bb19d1/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f3bdc5-e1e4-4a89-8d1b-8dc826bb19d1/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f3bdc5-e1e4-4a89-8d1b-8dc826bb19d1/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f3bdc5-e1e4-4a89-8d1b-8dc826bb19d1/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f3bdc5-e1e4-4a89-8d1b-8dc826bb19d1/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f3bdc5-e1e4-4a89-8d1b-8dc826bb19d1/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 264321f72a9f8b95ed756fb4ab372cf28e5b4e6fabc43a866df73e4736527396 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:12:48,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:12:48,712 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f3bdc5-e1e4-4a89-8d1b-8dc826bb19d1/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:12:48,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:12:48,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:12:48,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:12:48,744 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:12:48,745 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:12:48,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:12:48,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:12:48,747 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:12:48,748 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:12:48,748 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:12:48,749 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:12:48,749 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:12:48,750 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:12:48,750 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:12:48,751 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:12:48,752 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:12:48,752 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:12:48,753 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:12:48,759 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:12:48,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:12:48,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:12:48,761 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:12:48,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:12:48,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:12:48,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:12:48,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:12:48,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:12:48,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:12:48,764 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:12:48,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:12:48,765 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:12:48,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:12:48,766 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:12:48,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:12:48,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:12:48,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:12:48,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:12:48,768 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:12:48,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:12:48,770 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:12:48,771 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:12:48,771 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:12:48,771 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f3bdc5-e1e4-4a89-8d1b-8dc826bb19d1/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f3bdc5-e1e4-4a89-8d1b-8dc826bb19d1/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 264321f72a9f8b95ed756fb4ab372cf28e5b4e6fabc43a866df73e4736527396 [2023-11-12 00:12:49,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:12:49,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:12:49,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:12:49,115 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:12:49,116 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:12:49,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f3bdc5-e1e4-4a89-8d1b-8dc826bb19d1/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-59.i [2023-11-12 00:12:52,474 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:12:52,772 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:12:52,778 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f3bdc5-e1e4-4a89-8d1b-8dc826bb19d1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-59.i [2023-11-12 00:12:52,788 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f3bdc5-e1e4-4a89-8d1b-8dc826bb19d1/bin/utaipan-verify-NcY6lQBIFX/data/db50e4b1b/916e5dc86e4c4c9e9b1aa92fd4a4fbb9/FLAG0f682a7df [2023-11-12 00:12:52,801 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f3bdc5-e1e4-4a89-8d1b-8dc826bb19d1/bin/utaipan-verify-NcY6lQBIFX/data/db50e4b1b/916e5dc86e4c4c9e9b1aa92fd4a4fbb9 [2023-11-12 00:12:52,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:12:52,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:12:52,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:12:52,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:12:52,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:12:52,824 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:12:52" (1/1) ... [2023-11-12 00:12:52,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b1a60f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:52, skipping insertion in model container [2023-11-12 00:12:52,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:12:52" (1/1) ... [2023-11-12 00:12:52,869 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:12:53,053 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f3bdc5-e1e4-4a89-8d1b-8dc826bb19d1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-59.i[916,929] [2023-11-12 00:12:53,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:12:53,138 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:12:53,148 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f3bdc5-e1e4-4a89-8d1b-8dc826bb19d1/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-59.i[916,929] [2023-11-12 00:12:53,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:12:53,201 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:12:53,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:53 WrapperNode [2023-11-12 00:12:53,202 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:12:53,203 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:12:53,203 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:12:53,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:12:53,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:53" (1/1) ... [2023-11-12 00:12:53,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:53" (1/1) ... [2023-11-12 00:12:53,271 INFO L138 Inliner]: procedures = 26, calls = 137, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 342 [2023-11-12 00:12:53,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:12:53,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:12:53,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:12:53,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:12:53,289 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:53" (1/1) ... [2023-11-12 00:12:53,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:53" (1/1) ... [2023-11-12 00:12:53,307 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:53" (1/1) ... [2023-11-12 00:12:53,307 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:53" (1/1) ... [2023-11-12 00:12:53,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:53" (1/1) ... [2023-11-12 00:12:53,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:53" (1/1) ... [2023-11-12 00:12:53,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:53" (1/1) ... [2023-11-12 00:12:53,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:53" (1/1) ... [2023-11-12 00:12:53,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:12:53,373 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:12:53,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:12:53,373 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:12:53,374 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:53" (1/1) ... [2023-11-12 00:12:53,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:12:53,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f3bdc5-e1e4-4a89-8d1b-8dc826bb19d1/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:12:53,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f3bdc5-e1e4-4a89-8d1b-8dc826bb19d1/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:12:53,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f3bdc5-e1e4-4a89-8d1b-8dc826bb19d1/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:12:53,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:12:53,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:12:53,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:12:53,447 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:12:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:12:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:12:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:12:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:12:53,576 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:12:53,578 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:12:54,224 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:12:55,134 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:12:55,134 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:12:55,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:12:55 BoogieIcfgContainer [2023-11-12 00:12:55,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:12:55,142 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:12:55,142 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:12:55,147 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:12:55,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:12:52" (1/3) ... [2023-11-12 00:12:55,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee20687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:12:55, skipping insertion in model container [2023-11-12 00:12:55,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:12:53" (2/3) ... [2023-11-12 00:12:55,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee20687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:12:55, skipping insertion in model container [2023-11-12 00:12:55,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:12:55" (3/3) ... [2023-11-12 00:12:55,154 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-59.i [2023-11-12 00:12:55,178 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:12:55,179 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:12:55,243 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:12:55,251 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@793e5e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:12:55,252 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:12:55,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-12 00:12:55,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-12 00:12:55,271 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:12:55,272 INFO L195 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:12:55,272 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:12:55,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:12:55,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1248106978, now seen corresponding path program 1 times [2023-11-12 00:12:55,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:12:55,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431251560] [2023-11-12 00:12:55,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:12:55,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:12:55,608 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:12:55,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1930062186] [2023-11-12 00:12:55,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:12:55,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:12:55,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f3bdc5-e1e4-4a89-8d1b-8dc826bb19d1/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:12:55,614 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f3bdc5-e1e4-4a89-8d1b-8dc826bb19d1/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:12:55,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f3bdc5-e1e4-4a89-8d1b-8dc826bb19d1/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:12:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:12:56,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 163 conjunts are in the unsatisfiable core [2023-11-12 00:12:56,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:12:57,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:12:57,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:12:57,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:12:57,500 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2023-11-12 00:13:00,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:00,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:00,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:00,018 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2023-11-12 00:13:02,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:02,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:02,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:02,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:02,487 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 47 [2023-11-12 00:13:06,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:06,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:06,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:06,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:06,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:06,314 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 62 [2023-11-12 00:13:09,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:09,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:09,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:09,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:09,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:09,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:09,299 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 77 [2023-11-12 00:13:12,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:12,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:12,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:12,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:12,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:12,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:12,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:12,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:12,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:12,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:12,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:12,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:12,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:12,650 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 98 [2023-11-12 00:13:14,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:14,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:14,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:14,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:14,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:14,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:14,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:14,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:14,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:14,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:14,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:14,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:14,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:14,168 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 98 [2023-11-12 00:13:15,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:15,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:15,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:15,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:15,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:15,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:15,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:15,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:15,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:15,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:15,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:15,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:15,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:15,651 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 98 [2023-11-12 00:13:17,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:17,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:17,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:17,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:17,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:17,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:17,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:17,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:17,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:17,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:17,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:17,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:17,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:13:17,189 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 98 [2023-11-12 00:13:22,831 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 9 proven. 288 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:13:22,831 INFO L327 TraceCheckSpWp]: Computing backward predicates...